DK2533446T3 - Kommunikationsapparat og -fremgangsmåde - Google Patents

Kommunikationsapparat og -fremgangsmåde Download PDF

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Publication number
DK2533446T3
DK2533446T3 DK12183520.1T DK12183520T DK2533446T3 DK 2533446 T3 DK2533446 T3 DK 2533446T3 DK 12183520 T DK12183520 T DK 12183520T DK 2533446 T3 DK2533446 T3 DK 2533446T3
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DK
Denmark
Prior art keywords
srs
preamble
random access
mobile station
subframes
Prior art date
Application number
DK12183520.1T
Other languages
English (en)
Inventor
Takashi Iwai
Daichi Imamura
Tomofumi Takata
Atsushi Matsumoto
Yoshihiko Ogawa
Sadaki Futagi
Original Assignee
Godo Kaisha Ip Bridge 1
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
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Application filed by Godo Kaisha Ip Bridge 1 filed Critical Godo Kaisha Ip Bridge 1
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Publication of DK2533446T3 publication Critical patent/DK2533446T3/da

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2602—Signal structure
    • H04L27/261—Details of reference signals
    • H04L27/2613—Structure of the reference signals
    • H04L27/26134—Pilot insertion in the transmitter chain, e.g. pilot overlapping with data, insertion in time or frequency domain
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A) or DMT
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2602—Signal structure
    • H04L27/261—Details of reference signals
    • H04L27/2613—Structure of the reference signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2602—Signal structure
    • H04L27/2605—Symbol extensions, e.g. Zero Tail, Unique Word [UW]
    • H04L27/2607—Cyclic extensions
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A) or DMT
    • H04L5/0012—Hopping in multicarrier systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H04L5/0051—Allocation of pilot signals, i.e. of signals known to the receiver of dedicated pilots, i.e. pilots destined for a single user or terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signalling, i.e. of overhead other than pilot signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0078—Timing of allocation
    • H04L5/0082—Timing of allocation at predetermined intervals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W40/00—Communication routing or communication path finding
    • H04W40/24—Connectivity information management, e.g. connectivity discovery or connectivity update
    • H04W40/246—Connectivity information discovery
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0446—Resources in time domain, e.g. slots or frames
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/002—Transmission of channel access control information
    • H04W74/004—Transmission of channel access control information in the uplink, i.e. towards network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H04W74/0808—Non-scheduled access, e.g. ALOHA using carrier sensing, e.g. carrier sense multiple access [CSMA]
    • H04W74/0816—Non-scheduled access, e.g. ALOHA using carrier sensing, e.g. carrier sense multiple access [CSMA] with collision avoidance
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H04W74/0833—Random access procedures, e.g. with 4-step access
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/14—Direct-mode setup

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)

Claims (15)

1. Kommunikationsapparat, der omfatter: en sender konfigureret til at sende konfigurationsinformation, der indikerer underrammer, hvori random access preambler kan sendes til kommunikationsapparatet; og sende konfigurationsinformation, der indikerer underrammer, hvori sounding-referencesignaler (SRS’er) kan sendes til kommunikationsapparatet; og en modtager konfigureret til at modtage et SRS mappet til en sidste del af en underramme; og modtage en random access preamble, der omfatter et cyclisk prefiks, og som følges af en beskyttelsestid, i hvilken SRS’et midlertidigt justeres inden for den bagerste ende af beskyttelsestiden, når random access preamblen modtages i underrammen.
2. Kommunikationsapparat ifølge krav 1 eller 2, hvor SRS’et modtages fra en første mobilstation, og random access preamblen modtages fra en anden mobilstation.
3. Kommunikationsapparat ifølge krav 2, hvor intet sendes af den anden mobilstation i underrammens beskyttelsestid.
4. Kommunikationsapparat ifølge et af kravene 1 til 3, hvor det cykliske præfiks tilføjes i begyndelsen af random access preamblen.
5. Kommunikationsapparat ifølge et af kravene 1 til 4, hvor random access preamblen er en preambelsekvens valgt blandt et sæt preambelsekvenser, og beskyttelsestiden er af en given varighed.
6. Kommunikationsapparat ifølge et af kravene 1 til 5, hvor SRS’et mappes i underrammen, når random access preamblen modtages i underrammen, således at et tidsmellemrum imellem SRS’et og random access preamblen maksimeres.
7. Kommunikationsapparat ifølge et af kravene 1 til 6, hvor SRS’et mappes i underrammen med et mellemrum tilvejebragt imellem random access preamblen og SRS’et, når random access preamblen modtages i underrammen.
8. Kommunikationsapparat ifølge et af kravene 1 til 7, hvor modtageren modtager random access preamblen fra en mobilstation, der er ikke-synkroniseret i et uplink.
9. Kommunikationsapparat ifølge et af kravene 1 til 8, hvor den sendte konfigurationsinformation, der indikerer underrammerne, hvori SRS’er kan sendes, identificerer en periodicitet af underrammer, hvori SRS’er kan sendes, og den sendte konfigurationsinformation, der indikerer underrammerne, hvori random access preambler kan sendes, identificerer en periodicitet af underrammer, hvori random access preambler kan sendes.
10. Kommunikationsapparat ifølge krav 9, hvor periodiciteten af underrammer, hvori SRS’er kan sendes, er m/n gange periodiciteten af underrammer, hvori random access preambler kan sendes, hvor m og n er positive heltal.
11. Kommunikationsapparat ifølge et af kravene 1 til 10, hvor mindst en af underrammerne, hvori SRS’er kan sendes, midlertidigt justeres med mindst en af underrammerne, hvori random access preambler kan sendes.
12. Fremgangsmåde, der omfatter at sende, med et kommunikationsapparat, konfigurationsinformation, der indikerer underrammer, hvori random access preambler kan sendes til ko m m u n i kati o n sapparatet; at sende, med kommunikationsapparatet, konfigurationsinformation, der indikerer underrammer, hvori sounding-referencesignaler (SRS) kan sendes til ko m m u n i kati o n sapparatet; at modtage, af kommunikationsapparatet, et SRS mappet til en sidste del af en underramme; og at modtage, af kommunikationssystemet, en random access preamble, der omfatter et cyclisk prefiks, og som følges af en beskyttelsestid, i hvilken SRS’et midlertidigt justeres inden for den bagerste ende af beskyttelsestiden, når random access preamblen modtages i underrammen.
13. System indrettet til at sende konfigurationsinformation, der identificerer underrammer, hvori random access preambler kan sendes til kommunikationsapparatet, og at sende konfigurationsinformation, der identificerer underrammer, hvori sounding-referencesignaler (SRS’er) kan sendes til kommunikationsapparatet, og at modtage et SRS mappet til en sidste del af en underramme og til at modtage en random access preamble, idet random access preamblen omfatter et cyclisk prefiks og følges af en beskyttelsestid, i hvilken SRS’et midlertidigt justeres inden for den bagerste ende af beskyttelsestiden, når random access preamblen modtages i underrammen.
14. System ifølge krav 13, der er indrettet til at sende random access preambler og SRS’er.
15. System ifølge krav 13 eller 14, der endvidere omfatter en første mobilstation og en anden mobilstation, hvor SRS’et sendes af den første mobilstation, og random access preamblen sendes af den anden mobilstation.
DK12183520.1T 2007-08-08 2008-08-07 Kommunikationsapparat og -fremgangsmåde DK2533446T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007207187 2007-08-08
EP20110187539 EP2416511B1 (en) 2007-08-08 2008-08-07 SRS (Sounding Reference Signals) reception

Publications (1)

Publication Number Publication Date
DK2533446T3 true DK2533446T3 (da) 2015-06-01

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ID=40341120

Family Applications (3)

Application Number Title Priority Date Filing Date
DK08790409.0T DK2178232T3 (da) 2007-08-08 2008-08-07 Mapning af SRS (Sounding Reference Signal)
DK11187539.9T DK2416511T3 (da) 2007-08-08 2008-08-07 Modtagelse af SRS (Sounding Reference Signals)
DK12183520.1T DK2533446T3 (da) 2007-08-08 2008-08-07 Kommunikationsapparat og -fremgangsmåde

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Application Number Title Priority Date Filing Date
DK08790409.0T DK2178232T3 (da) 2007-08-08 2008-08-07 Mapning af SRS (Sounding Reference Signal)
DK11187539.9T DK2416511T3 (da) 2007-08-08 2008-08-07 Modtagelse af SRS (Sounding Reference Signals)

Country Status (12)

Country Link
US (9) US8077593B2 (da)
EP (7) EP3447941B1 (da)
JP (3) JP4566276B2 (da)
KR (2) KR101462705B1 (da)
CN (2) CN104468067B (da)
BR (1) BRPI0815150B1 (da)
DE (1) DE602008019323C5 (da)
DK (3) DK2178232T3 (da)
ES (5) ES2928704T3 (da)
MX (1) MX2010001372A (da)
RU (1) RU2479929C2 (da)
WO (1) WO2009019879A1 (da)

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